Glass vials No
NIR Prediction contents using different preprocessing method (%,mg/mg)
Unpreprocessing
VN
FD
FD+VN
SD
SD+VN
1
97.7
91.7
96.1
92.4
97.0
89.6
2
88.5
86.7
91.4
84.8
88.1
3
88.4
89.2
88.8
90.8
88.6
4
93.6
91.3
92.3
91.0
88.2
5
90.4
91.9
91.1
91.8
88.9
6
87.2
91.2
87.6
86.8
87.7
7
93.2
95.6
88.7
8
92.1
89.1
9
89.5
92.2
89.7
10
98.8
92.7
97.4
90.7
98.6
88.3
11
94.6
87.3
90.9
89.0
12
87.8
13
85.0
93.1
92.0
85.6
14
96.0
95.9
91.6
95.7
89.3
15
87.5
16
86.4
89.4
17
95.8
96.5
18
86.1
89.9
19
84.0
86.9
86.5
90.5
20
93.7
87.9
90.2
RMSEP
2.93
2.88
3.29
0.44
4.72
2.03